Description

5-Bromo-2(3H)-Benzothiazolone is a versatile brominated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of pharmaceuticals, agrochemicals, and functional materials. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting neurological disorders and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a building block for organic electronic materials, such as OLEDs and conductive polymers.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and colorants.
• Biochemical Research: Used as a probe or inhibitor in enzymatic studies due to its benzothiazolone core.
• Custom Synthesis: A starting material for contract research organizations (CROs) and CDMOs for client-specific molecule construction.

Basic Information

Product Name	5-Bromo-2(3H)-Benzothiazolone
CAS No.	199475-45-1
Molecular Formula	C7H4BrNOS
Molecular Weight	230.08 g/mol
Synonyms	5-Bromo-1,3-benzothiazol-2(3H)-one; 5-Bromo-2-hydroxybenzothiazole; 5-Bromo-2-benzothiazolinone; 2-Hydroxy-5-bromobenzothiazole; 5-Bromobenzothiazol-2-ol; 5-Bromo-2(3H)-benzothiazolethione (tautomer); 5-Bromobenzo[d]thiazol-2(3H)-one
EINECS	Contact for details

Quality Control

Our 5-Bromo-2(3H)-Benzothiazolone is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep the container sealed to protect this light-sensitive material from moisture and atmospheric contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.